Re: [Xen-devel] Latest bk can NOT compile on x86_64

["Scott Parish" <srparish@xxxxxxxxxx>]

Uh, this patch is completely wrong, please ignore, k thanks.

sRp

On Tue, May 31, 2005 at 04:52:09PM +0000, Scott Parish wrote:

> The attached patch gets me past early boot.
> 
> sRp
> 
> On Tue, May 31, 2005 at 06:16:10PM +0100, Keir Fraser wrote:
> 
> > 
> > On 31 May 2005, at 18:01, David F Barrera wrote:
> > 
> > >OK. This is the first time that I've been able to build Xen on SLES 9
> > >x86_64. When attempting to boot, Dom0 crashes. Although there is 
> > >already
> > >a defect open (Bugzilla #26) for a failure to boot Dom0 on x86_64 on
> > >FC4, I am opening a new defect (Bugzilla #65) since the failures appear
> > >different.
> > 
> > I wouldn't be surprised if the 32-bit PAE patch has broken guest 
> > pagetable management for x86/64. I fixed a bug that caused a crash 
> > during Xen bootstrap, but I didn't check domain0 booting. Lots of 
> > things have changed in the dom0 builder and in arch/x86/mm.c though.
> > 
> >  -- Keir
> > 
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> > 
> 
> -- 
> Scott Parish
> Signed-off-by: srparish@xxxxxxxxxx

> diff -rN -u -p old-xen-64-4/xen/arch/x86/mm.c new-xen-64-4/xen/arch/x86/mm.c
> --- old-xen-64-4/xen/arch/x86/mm.c    2005-05-31 16:15:06.000000000 +0000
> +++ new-xen-64-4/xen/arch/x86/mm.c    2005-05-31 16:47:32.000000000 +0000
> @@ -103,6 +103,7 @@
>  #include <asm/ldt.h>
>  #include <asm/x86_emulate.h>
>  
> +#define VERBOSE 1
>  #ifdef VERBOSE
>  #define MEM_LOG(_f, _a...)                           \
>    printk("DOM%u: (file=mm.c, line=%d) " _f "\n", \
> @@ -446,7 +447,7 @@ get_page_from_l1e(
>  
>      if ( unlikely(l1e_get_flags(l1e) & L1_DISALLOW_MASK) )
>      {
> -        MEM_LOG("Bad L1 flags %x\n", l1e_get_flags(l1e) & L1_DISALLOW_MASK);
> +        MEM_LOG("Bad L1 flags %lx\n", l1e_get_flags(l1e) & L1_DISALLOW_MASK);
>          return 0;
>      }
>  
> @@ -492,7 +493,7 @@ get_page_from_l2e(
>  
>      if ( unlikely((l2e_get_flags(l2e) & L2_DISALLOW_MASK)) )
>      {
> -        MEM_LOG("Bad L2 flags %x\n", l2e_get_flags(l2e) & L2_DISALLOW_MASK);
> +        MEM_LOG("Bad L2 flags %lx\n", l2e_get_flags(l2e) & L2_DISALLOW_MASK);
>          return 0;
>      }
>  
> @@ -525,7 +526,7 @@ get_page_from_l3e(
>  
>      if ( unlikely((l3e_get_flags(l3e) & L3_DISALLOW_MASK)) )
>      {
> -        MEM_LOG("Bad L3 flags %x\n", l3e_get_flags(l3e) & L3_DISALLOW_MASK);
> +        MEM_LOG("Bad L3 flags %lx\n", l3e_get_flags(l3e) & L3_DISALLOW_MASK);
>          return 0;
>      }
>  
> @@ -558,7 +559,7 @@ get_page_from_l4e(
>  
>      if ( unlikely((l4e_get_flags(l4e) & L4_DISALLOW_MASK)) )
>      {
> -        MEM_LOG("Bad L4 flags %x\n", l4e_get_flags(l4e) & L4_DISALLOW_MASK);
> +        MEM_LOG("Bad L4 flags %lx\n", l4e_get_flags(l4e) & L4_DISALLOW_MASK);
>          return 0;
>      }
>  
> diff -rN -u -p old-xen-64-4/xen/include/asm-x86/x86_64/page.h 
> new-xen-64-4/xen/include/asm-x86/x86_64/page.h
> --- old-xen-64-4/xen/include/asm-x86/x86_64/page.h    2005-05-31 
> 16:15:06.000000000 +0000
> +++ new-xen-64-4/xen/include/asm-x86/x86_64/page.h    2005-05-31 
> 16:50:24.000000000 +0000
> @@ -61,12 +61,12 @@ typedef l4_pgentry_t root_pgentry_t;
>  #define get_pte_flags(x) ((int)((x) >> 40) | ((int)(x) & 0xFFF))
>  #define put_pte_flags(x) ((((intpte_t)((x) & ~0xFFF)) << 40) | ((x) & 0xFFF))
>  
> -#define _PAGE_NX                (cpu_has_nx ? (1U<<23) : 0U)
> +#define _PAGE_NX                (cpu_has_nx ? (1UL<<63) : 0UL)
>  
> -#define L1_DISALLOW_MASK (0xFFFFF180U & ~_PAGE_NX) /* PAT/GLOBAL */
> -#define L2_DISALLOW_MASK (0xFFFFF180U & ~_PAGE_NX) /* PSE/GLOBAL */
> -#define L3_DISALLOW_MASK (0xFFFFF180U & ~_PAGE_NX) /* must-be-zero */
> -#define L4_DISALLOW_MASK (0xFFFFF180U & ~_PAGE_NX) /* must-be-zero */
> +#define L1_DISALLOW_MASK _PAGE_NX
> +#define L2_DISALLOW_MASK _PAGE_NX
> +#define L3_DISALLOW_MASK _PAGE_NX
> +#define L4_DISALLOW_MASK _PAGE_NX
>  
>  #endif /* __X86_64_PAGE_H__ */
>  
> 

> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel


-- 
Scott Parish
Signed-off-by: srparish@xxxxxxxxxx

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